Attic Vent Systems

Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof.

Attic vent systems.

Figure 8 examples of gable vents. Anyone involved with residential roofing should become familiar with the purpose of attic ventilation and understand how to achieve an effective ventilation system while meeting building code requirements. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. The early to mid 20th century saw the development of this concept.

Roof ventilation is not a new process by any means. Attic venting serves an important purpose and is key to a well performing roof system. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.

A home s ventilation system consists of everything from roof vents to the best attic fans without the right roofing and attic ventilation system your home can become uncomfortable and cost more to cool or heat. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. Big organizations like the forest products laboratory and even the american society of heating refrigerating air conditioning engineers realized that poor roof ventilation systems could cause condensation problems in a. If you don t know how your roof vents work or if you re unsure about your attic ventilation in general you should talk to a roof inspector about your current system and any inherent weaknesses that may be at.

The building codes and building science for natural roof ventilation however only appeared in the 1940s. See the benefits of attic ventilation a new roof is more than just shingles. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. See our top tips and recommendations ahead and don t miss our top picks.

When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. In a hot climate roof vents expel hot air from the roof or attic while relieving the load on the air conditioning system.